Remember that rosemary oil contains fatty acids, so it is best to use it conservatively to avoid an oily scalp and greasy hair.
Rosemary oil is a relatively lightweight oil, so it may not make your hair greasy for some people. However, the amount of oil your hair can handle before it becomes greasy depends on several factors, such as your hair type, the condition of your scalp, and the amount of oil used.
A common misconception is that hair oil will make your hair look and feel greasy, which it actually won't, unless you apply too much to the roots. The real cause of oily-looking hair is usually the scalp's overproduction of sebum.
Because it's a pretty potent ingredient, for some, excess use of rosemary oil may lead to some itching and burning, says Holdsworth. “It can cause mild irritation of the scalp and should be discontinued if this is experienced,” adds Garlapati.
What are the side effects of using rosemary oil for hair? The physical weight of the oil could interfere with your style. Newman says that for people with thin or fine hair or a sparse density of hair, the oils can make the hair look greasy and weighed down.
Dilute your rosemary oil with a carrier oil first before putting it on your scalp. This is one huge mistake that many beauty fans have been making! Because essential oils can irritate the skin when used on their own, when it's not diluted they can have the opposite effect on your hair, causing hair to fall out.
Rosemary oil can take several months to work, so its use requires diligence and repetition. To measure progress, a person can try counting the number of hairs in a small region on the head. Click here for a range of rosemary oil products that can assist with hair growth.
So, how long does it take to work? “Because of the hair growth cycle, any effects on hair growth may take six months to show up,” says King, adding that “The 2015 study with rosemary oil showed results at six months.”
Can I leave rosemary oil on my hair overnight? Yes, a rosemary hair oil treatment can be applied overnight. All you have to do is mix a few drops of rosemary essential oil with a carrier oil, like coconut, jojoba, argan oil etc. Apply this combination to your scalp and hair.
Mist & dry.
To remove the excess oil, celebrity hairstylist Kyrsten Oriol first recommends spritzing your hair and scalp with a light mist of water. You can also use rosewater, if you have it on hand—due to its mildly astringent nature, rosewater works wonders on your scalp to reduce oiliness.
The first step is to apply oil to your scalp without getting it in your hair. One way to do that is to wet your hair so it will not easily absorb the oil and then dab the oil on your scalp with a cotton ball. Shampoo your hair after a few minutes to wash out the oil.
Is Oily Hair Healthy? Oily hair isn't healthy or unhealthy by default. People with an oily scalp can have healthy hair or dry, brittle hair. Your hair needs oil to be healthy, but too much oil can lead to buildup on the hair and scalp.
Rosemary oil can also cause allergic or irritant contact dermatitis, so be on the lookout if you're noticing anything out of the ordinary going on with your scalp or hair. If you experience any irritation, stop using it. Even if you're not seeing any negative side effects, be wary of how often you're using it.
Do I apply rosemary oil to wet or dry hair? The choice is yours! You can apply the solution to wet hair when washing your locks, use it when styling towel-dried hair, or put it directly on dry hair.
We recommend leaving rosemary oil in your hair (diluted) from 30 minutes to an hour before washing your hair as usual (though leaving it in your hair from 2 hours all the way up to 6 hours is the most effective).
Because of their volatile oil content, large quantities of rosemary leaves can cause serious side effects, including vomiting, spasms, coma and, in some cases, pulmonary edema (fluid in the lungs).
You must use rosemary oil at least two to three times a week for great results. You can even apply it more times if your routine allows you to. Mix four to five drops of rosemary oil with other essential oils and massage it evenly on your scalp.
The short answer is yes. "Rosemary essential oil can help stimulate healthy, thick hair," affirms Dr. Graf. "The oil can speed up the process of cell turnover and growth, which can work as a natural remedy to grow thicker hair.
Can rosemary oil help regrow hair? The answer appears to be yes — and there's scientific proof behind it. Researchers found rosemary oil to be as effective at encouraging hair regrowth as minoxidil, a medication better known as Rogaine®, says Dr. Khetarpal.
You can add a few drops of rosemary essential oil with water and use it to spray on your hair or apply it on your skin. You can apply rosemary water directly to your hair and scalp and also use it on your skin. Homemade rosemary water is authentic, natural, and chemical-free.
Put 4-5 drops of rosemary essential oil on your scalp with the help of a dropper and gently massage it in your scalp. Massage it in circular motions to increase the blood flow in your scalp and hence, promote hair growth. Don't apply more than 5 drops of rosemary oil as too much of it can cause your scalp to itch.
Mix it with a carrier oil
Diluting rosemary oil helps to reduce its potency and means it is less likely to irritate your skin. Carrier oils are plant oils like argan, jojoba and almond oil.
Rotate in a clarifying shampoo
If you feel like you're experiencing too much oil buildup while training your hair, use a clarifying shampoo every to reset your scalp when necessary. A shampoo for oily hair deep cleans your scalp, roots, and strands when your hair starts feeling weighed down.
Those with fine or thin hair, however, may find their hair looks greasy after just one day. It's all to do with the amount of oil your scalp produces, as well as how well your hair can carry that oil.